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<!SGML "ISO 8879:1986" |
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-- |
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Document Type Definition for the HyperText Markup Language |
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as used by the World Wide Web application (HTML DTD). |
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|
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NOTE: This is a definition of HTML with respect to |
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SGML, and assumes an understaning of SGML terms. |
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|
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For a description of HTML in layman's terms, see |
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|
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"HTML: A Representation for Nodes in the World Wide Web" |
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by Dan Connolly. |
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|
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aka |
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|
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http://info.cern.ch/hypertext/WWW/MarkUp/MarkUp.html |
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by <connolly@convex.com> |
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-- |
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|
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CHARSET |
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BASESET "ISO 646:1983//CHARSET |
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International Reference Version (IRV)//ESC 2/5 4/0" |
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DESCSET 0 9 UNUSED |
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9 2 9 |
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11 2 UNUSED |
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13 1 13 |
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14 18 UNUSED |
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32 95 32 |
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127 1 UNUSED |
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|
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CAPACITY SGMLREF |
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TOTALCAP 150000 |
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GRPCAP 150000 |
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|
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SCOPE DOCUMENT |
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SYNTAX |
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SHUNCHAR CONTROLS 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 |
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19 20 21 22 23 24 25 26 27 28 29 30 31 127 255 |
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BASESET "ISO 646:1983//CHARSET |
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International Reference Version (IRV)//ESC 2/5 4/0" |
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DESCSET 0 128 0 |
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FUNCTION RE 13 |
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RS 10 |
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SPACE 32 |
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TAB SEPCHAR 9 |
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NAMING LCNMSTRT "" |
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UCNMSTRT "" |
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LCNMCHAR ".-" |
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UCNMCHAR ".-" |
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NAMECASE GENERAL YES |
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ENTITY NO |
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DELIM GENERAL SGMLREF |
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SHORTREF SGMLREF |
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NAMES SGMLREF |
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QUANTITY SGMLREF |
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NAMELEN 34 |
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TAGLVL 100 |
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LITLEN 1024 |
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GRPGTCNT 150 |
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GRPCNT 64 |
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|
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FEATURES |
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MINIMIZE |
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DATATAG NO |
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OMITTAG NO |
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RANK NO |
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SHORTTAG NO |
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LINK |
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SIMPLE NO |
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IMPLICIT NO |
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EXPLICIT NO |
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OTHER |
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CONCUR NO |
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SUBDOC NO |
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FORMAL YES |
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APPINFO NONE |
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> |
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|
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<!DOCTYPE HTML [ |
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<!-- |
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$Id: html.dtd,v 1.3 1993/01/07 00:38:36 connolly Exp $ |
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--> |
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|
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<!-- Regarding clause 6.1, SGML Document: |
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|
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[1] SGML document = SGML document entity, |
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(SGML subdocument entity | |
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SGML text entity | non-SGML data entity)* |
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|
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The role of SGML document entity is filled by this DTD, |
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followed by the conventional HTML data stream. |
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--> |
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|
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<!-- DTD definitions --> |
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|
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<!ENTITY % heading "H1|H2|H3|H4|H5|H6" > |
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<!ENTITY % list "UL|OL|DIR|MENU"> |
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<!ENTITY % literal "XMP|LISTING"> |
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|
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<!ENTITY % headelement |
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"TITLE | NEXTID | ISINDEX" > |
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|
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<!ENTITY % bodyelement |
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"P | A | %heading | |
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%list | DL | HEADERS | ADDRESS | PRE | BLOCKQUOTE |
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| %literal"> |
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|
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<!ENTITY % oldstyle "%headelement | %bodyelement | #PCDATA"> |
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|
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<!-- Characters from various Latin alphabets. --> |
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<!ENTITY % ISOlat1 PUBLIC |
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"ISO 8879:1986//ENTITIES Added Latin 1//EN"> |
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%ISOlat1; |
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|
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|
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<!-- Document Element --> |
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|
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<!ELEMENT HTML O O (HEAD | BODY | %oldstyle)*> |
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|
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<!ELEMENT HEAD - - (TITLE? & ISINDEX? & NEXTID?)> |
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<!-- LINK element (from timbl) --> |
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<!ATTLIST HEAD |
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EXPIRES NUMBER #IMPLIED -- expiration date |
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in ISO format: yyyymmddhhmmssZ -- |
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> |
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|
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<!ELEMENT TITLE - - RCDATA |
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-- The TITLE element is not considered part of the flow of text. |
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It should be displayed, for example as the page header or |
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window title. |
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--> |
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|
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<!ELEMENT ISINDEX - O EMPTY |
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-- WWW clients should offer the option to perform a search on |
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documents containing ISINDEX. |
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--> |
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|
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<!ELEMENT NEXTID - O EMPTY> |
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<!ATTLIST NEXTID N NUMBER #REQUIRED |
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-- The number should be the highest number that appears in |
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any NAME attribute in the document. |
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--> |
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|
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<!ENTITY % inline "EM | TT | STRONG | B | I | U | |
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CODE | SAMP | KBD | KEY | VAR | DFN | CITE " |
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> |
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|
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<!ELEMENT (%inline;) - - (#PCDATA)> |
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|
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<!ENTITY % text "#PCDATA | %inline;"> |
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|
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<!ELEMENT BODY - - (%bodyelement|%text;)*> |
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|
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<!ENTITY % URL "CDATA" |
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-- The term URL means a CDATA attribute |
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whose value is a Universal Resource Locator, |
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as defined in ftp://info.cern.ch/pub/www/doc/url3.txt |
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--> |
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|
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<!ELEMENT A - - (#PCDATA)> |
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<!ATTLIST A |
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NAME NMTOKEN #IMPLIED |
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HREF %URL; #IMPLIED |
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TYPE NAME #IMPLIED -- type of relashionship to referent data: |
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PARENT CHILD, SIBLING, NEXT, TOP, |
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DEFINITION, UPDATE, ORIGINAL etc. -- |
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URN CDATA #IMPLIED -- universal resource number. unique doc id -- |
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TITLE CDATA #IMPLIED -- advisory only -- |
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METHODS NAMES #IMPLIED -- supported methods of the object: |
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TEXTSEARCH, GET, HEAD, ... -- |
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> |
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|
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<!ELEMENT P - O EMPTY -- separates paragraphs --> |
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|
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<!ELEMENT (%heading) - - (%text;|A)+> |
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|
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<!ELEMENT HEADERS - - (DT | #PCDATA | DD | A)+> |
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<!ELEMENT DL - - (DT | DD | A | P | %text;)*> |
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<!-- Content should match ((DT,(A|%text;)+)+,(DD,(A|%text;)+)) |
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But mixed content is messy. |
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--> |
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|
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<!ELEMENT DT - O EMPTY> |
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<!ELEMENT DD - O EMPTY> |
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|
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<!ELEMENT (%list) - - (%text;|LI|A|P)+> |
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<!-- Content should match ((LI,(A|%text;)+)+) |
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But mixed content is messy. |
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--> |
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<!ATTLIST (%list) |
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STYLE NAME #IMPLIED -- COMPACT, etc.-- |
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> |
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|
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<!ELEMENT LI - O EMPTY> |
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|
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<!ELEMENT BLOCKQUOTE - - (%text;|A|P|ADDRESS)+ |
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-- for quoting some other source --> |
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<!ATTLIST BLOCKQUOTE |
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SOURCE CDATA #IMPLIED |
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> |
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|
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<!ELEMENT ADDRESS - - (%text;|A|P)+> |
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|
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<!ELEMENT PRE - - (#PCDATA|A|P)+> |
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<!ATTLIST PRE |
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WIDTH NUMBER #implied |
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> |
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|
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<!-- deprecated elements --> |
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|
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<!ELEMENT (%literal) - - RCDATA> |
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|
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<!ELEMENT PLAINTEXT - O EMPTY> |
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|
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<!-- Local Variables: --> |
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<!-- mode: sgml --> |
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<!-- compile-command: "sgmls -s -p " --> |
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<!-- end: --> |
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]> |
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